You really couldn't even be bothered to read the 1 page article you posted?

Android is currently the most popular smart TV operating system platform, including both the full Android TV implementation and modified versions used by many Chinese TV brands .

On a global scale, makes sense as Android has a very good image as compared to the US and other similar countries. Besides, big iconic brands like Sony are at the forefront, selling those sleek and very sexy smart TVs

I guess that includes regular Android for TV's and not only android TV's but why fire tv is excluded seperately even if it runs forked android